Quiz about Unit 1 Quadratic Revisited Test Review

Question 1

Simplify.

Accepted Answer

5i

Answer

-5i

Answer

5

Answer

-5

Question 2

i7

Accepted Answer

-i

Answer

i

Answer

1

Answer

-1

Question 3

i13

Accepted Answer

i

Answer

-1

Answer

1

Answer

-i

Question 4

i79

Accepted Answer

-i

Answer

i

Answer

1

Answer

-1

Question 5

9n⁴ . 6n⁷

Accepted Answer

54n11

Answer

15n11

Answer

54n28

Answer

3n3

Question 6

15y² . (2y)³

Accepted Answer

120y5

Answer

120y6

Answer

30y5

Answer

30y6

Question 7

-3xy³ . (4xy)²

Accepted Answer

-48x3y5

Answer

-12x3y5

Answer

-48x2y4

Answer

-12x2y6

Question 8

Rewrite the following as a radical.  Simplify if possible.

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 9

Question 9.

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 10

(5-2i) + (-7+8i)

Accepted Answer

-2+6i

Answer

12+6i

Answer

-35-16i2

Answer

-35 -16i

Question 11

What is the complex conjugate of  4-3i?

Accepted Answer

D.  4 + 3i

Answer

A.  1/(4-3i)

Answer

B. 1/(4+3i)

Answer

C.  -4 + 3i

Question 12

Choose the correct answer for the operation pictured.

Accepted Answer

7-13i

Answer

7-i

Answer

1-13i

Answer

1-i

Question 13

Simplify.
(5-i)(5+i)

Accepted Answer

26

Answer

24

Answer

25+i2

Answer

25-i2

Question 14

The expression (2 + 3i)² is equal to

Accepted Answer

-5 + 12i

Answer

-5

Answer

13

Answer

13 + 12i

Question 15

Question 15.

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 16

Question 16.

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 17

Question 17.

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 18

What is this formula?

Accepted Answer

This is the quadratic formula.

Answer

This is the speed of light formula.

Answer

This is the zero product property.

Answer

This is scary.

Question 19

In the equation
y = x² +5x +7, match each leading coefficient with its correct letter

Accepted Answer

a=1, b=5, c=7

Answer

a=0, b=5, c=7

Answer

a=7, b=5, c=1

Question 20

Solve Using the Quadratic Formula

Accepted Answer

-3, 4

Answer

3, 4

Answer

-4, -3

Answer

-3

Question 21

Question 21.

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 22

"What is the maximum height the ball reaches?"

Accepted Answer

vertex

Answer

x-intercept

Answer

y-intercept

Answer

point on the graph

Question 23

"When is the object at it's maximum height?"

Accepted Answer

vertex

Answer

x-intercept

Answer

y-intercept

Answer

point on the graph

Question 24

An acrobat springs from a trampoline that is 2 feet off the floor with an initial upward velocity of 24 feet per second. What is the model of this function?

Accepted Answer

h=-16t²+24t+2

Answer

h=-16t²+2t+24

Answer

h=24t²+2t-16

Answer

h=2t²+24t-16

Question 25

A soccer ball is kicked from the ground is modeled by the function h=-16t²+54t, what is the height of the soccer ball 3 seconds after it has been kicked

Accepted Answer

18 feet

Answer

12 feet

Answer

6 feet

Answer

it is on the ground

Question 26

Which of the following number in the function h=-16t²+12t+2 represents the height of the ball before it kicked ?

Accepted Answer

2

Answer

0

Answer

12

Answer

16

Question 27

When playing basketball, Frank shoots an air-ball. The height of t basketball is modeled by the function h=-16t²+32t+9. How long will it take the ball to hit the floor?

Accepted Answer

2.25 seconds

Answer

1 second

Answer

2 seconds

Answer

2.5 seconds

Unit 1 Quadratic Revisited Test Review

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